Pillow/src/_imagingtk.c
2020-05-10 19:56:36 +10:00

81 lines
1.8 KiB
C

/*
* The Python Imaging Library.
*
* tkinter hooks
*
* history:
* 99-07-26 fl created
* 99-08-15 fl moved to its own support module
*
* Copyright (c) Secret Labs AB 1999.
*
* See the README file for information on usage and redistribution.
*/
#include "Python.h"
#include "Imaging.h"
#include "_tkmini.h"
/* must link with Tk/tkImaging.c */
extern void TkImaging_Init(Tcl_Interp* interp);
extern int load_tkinter_funcs(void);
/* copied from _tkinter.c (this isn't as bad as it may seem: for new
versions, we use _tkinter's interpaddr hook instead, and all older
versions use this structure layout) */
typedef struct {
PyObject_HEAD
Tcl_Interp* interp;
} TkappObject;
static PyObject*
_tkinit(PyObject* self, PyObject* args)
{
Tcl_Interp* interp;
PyObject* arg;
int is_interp;
if (!PyArg_ParseTuple(args, "Oi", &arg, &is_interp)) {
return NULL;
}
if (is_interp) {
interp = (Tcl_Interp*)PyLong_AsVoidPtr(arg);
} else {
TkappObject* app;
/* Do it the hard way. This will break if the TkappObject
layout changes */
app = (TkappObject*)PyLong_AsVoidPtr(arg);
interp = app->interp;
}
/* This will bomb if interp is invalid... */
TkImaging_Init(interp);
Py_INCREF(Py_None);
return Py_None;
}
static PyMethodDef functions[] = {
/* Tkinter interface stuff */
{"tkinit", (PyCFunction)_tkinit, 1},
{NULL, NULL} /* sentinel */
};
PyMODINIT_FUNC
PyInit__imagingtk(void) {
static PyModuleDef module_def = {
PyModuleDef_HEAD_INIT,
"_imagingtk", /* m_name */
NULL, /* m_doc */
-1, /* m_size */
functions, /* m_methods */
};
PyObject *m;
m = PyModule_Create(&module_def);
return (load_tkinter_funcs() == 0) ? m : NULL;
}